JP2005004089A - Projection type picture display device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve convenience by reducing restrictions on the position and others of a projection type projector device. <P>SOLUTION: A remote controller body 1 is equipped with a liquid crystal monitor 2, various operation buttons (input unit) 3, a data transmitting/receiving section 4, an imaging section (camera section) 5 and a pen for operation 6 housed in a housing section. The monitor 2 is constituted of a touch panel type display, for example, and the data transmitting/receiving section 4 can communicate with a projection type projector device body by a wireless transmitter-receiver, for example. The respective component sections of the body 1 equipped with the monitor 2 are controlled by a remote controller side control section 9 such as a CPU. The control section 9 has a wireless transmission/reception control section 9A, a display control section 9B, a key input control section 9C, a camera control section 9D, an image processing section 9E and a storage section 9F, for example. The monitor 2 displays the image based on the image projected by the projection type projector device and also reflects characters or the like inputted in the monitor 2 in the projected image. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a projection type image display apparatus (projector apparatus), and more particularly to a projector apparatus capable of remote control operation.
[0002]
[Prior art]
Projector apparatuses are often used for various presentations because an image based on an input image signal can be projected on a large screen. The presenter connects the projector device to a personal computer PC or the like, and makes a presentation while projecting and displaying an image based on image data supplied from the PC or the like on a screen.
[0003]
As the projection type projector device, a projector with a remote controller capable of remotely operating the projection type projector device for convenience is proposed. A technology is known in which a remote control function such as personal authentication is assigned to a remote controller having a liquid crystal display and the presentation effect is enhanced by bidirectional wireless communication (see, for example, Patent Document 1).
[0004]
In addition, there is also a device with a function of capturing an image projected on a screen by a projection type projector device and automatically adjusting a video image such as a color and a focus based on the image.
[0005]
[Patent Document 1]
JP 2002-64883 A
[0006]
[Problems to be solved by the invention]
Conventionally, when a presenter gives a presentation using a projector, the explanation has been made while viewing a screen projected on a PC or a screen projected by a projector. In the case of giving a presentation while looking at the PC screen, the presenter needs to be near the PC in order to view the PC screen, which is subject to space restrictions. When the presenter explained while looking at the image displayed on the screen, he had to give a presentation with his back to the viewer at a large venue.
[0007]
In the technique described in Patent Document 1, information for operating the remote controller is displayed on the remote controller. Therefore, the presenter displays the PC screen or the screen together with the display screen of the remote controller. Since it is necessary to look at the screen of the projector, it is not possible to eliminate the location limitation. Further, even when the video adjustment is automatically performed, there is a problem that the user has to finally make the adjustment.
An object of the present invention is to improve the degree of freedom in presentation in a projection type projector apparatus.
[0008]
[Means for Solving the Problems]
According to one aspect of the present invention, there is provided a remote controller capable of remotely operating a projection type image display device that projects an input image, wherein the image display unit displays an image projected by the projection type image display device. A remote controller is provided. A remote controller capable of remotely operating a projection type image display device for projecting an input image, the receiving unit receiving image data of a first image projected by the projection type image display device; There is provided a remote controller having image display means for displaying a second image based on the image data received by the receiving unit. When this remote controller is used, a projected image can be viewed at a location away from the projection type image display device.
[0009]
And an external data input unit for inputting data from the outside, and an image processing unit for superimposing the data input by the external data input unit on the second image displayed on the image display means. preferable. Further, the image processing unit includes a transmission unit that transmits the data superimposed on the second image to the projection image display device, and the data superimposed on the second image is transmitted to the first image. Preferably it can be reflected above. When this remote controller is used, new data or the like can be reflected on the projected image at a location away from the projection type image display apparatus.
[0010]
It is preferable that the image processing unit includes an imaging unit, and the image processing unit can send an image captured by the imaging unit to the projection type image display device via the transmission unit. Moreover, it is preferable to have an imaging direction changing mechanism that can change the imaging direction of the imaging unit. Thereby, the newly imaged image can be reflected on the projection image of the projection type image display device. If the display direction and the imaging direction of the display means can be changed, imaging and display can be confirmed in a preferable state depending on the situation.
[0011]
According to another aspect of the present invention, an imaging device comprising: an imaging unit; and a transmission unit that wirelessly transmits an image captured by the imaging unit to a projection type image display device that projects the image. An apparatus is provided. When this imaging device is used, an image captured at a position away from the projection type image display device can be projected and displayed.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
In this specification, an image refers to an image projected on a screen, for example, by a projection-type image display device, and is a broad concept including characters used for presentations in addition to general still images and moving images.
[0013]
The projection type projector apparatus according to the present invention is an apparatus capable of giving a presentation freely without being limited to the position of a PC, the position of a viewer, the position of a screen, or the like. In addition, the projection type projector apparatus according to the present invention is an apparatus that can easily perform various adjustments related to the projection image and can increase the degree of freedom regarding the image to be projected.
[0014]
Hereinafter, a projection type projector apparatus according to an embodiment of the present invention will be described with reference to the drawings. First, a projection type projector apparatus according to a first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing an external configuration example of a remote controller with a liquid crystal monitor in the projector device according to the present embodiment. FIG. 2 is a diagram showing a state in which an image is projected on the screen in a state where the remote controller shown in FIG. 1 is attached to the projection type projector apparatus main body. FIG. 3 is a functional block diagram showing a configuration example of the remote controller shown in FIG. 1, and FIG. 4 is a functional block diagram showing a configuration example of the projection type projector apparatus.
[0015]
As shown in FIGS. 1 to 4, the remote controller body 1 with a liquid crystal monitor according to the present embodiment includes a liquid crystal monitor 2, various operation buttons (input devices) 3, a data transmission / reception unit 4, and an imaging unit (camera). Part) 5 and an operation pen 6 accommodated in the accommodating part. The liquid crystal monitor 2 is configured by, for example, a touch panel display, and the data transmission / reception unit 4 is configured by, for example, a wireless transmission / reception device. Each component of the remote controller body 1 with a liquid crystal monitor is controlled by a remote controller side controller 9 such as a CPU. The control unit 9 includes, for example, a wireless transmission / reception control unit 9A, a display control unit 9B, a key input control unit 9C, a camera control unit 9D, an image processing unit 9E, and a storage unit 9F.
[0016]
As shown in FIG. 4, the projector-side control unit 21 includes a projector control unit 23, a wireless transmission / reception control unit 24, and an image processing unit 27. The projector-side control unit 21 is associated with the wireless transmission / reception device 20, the optical device 26, the image processing unit 25, and the like, and the image processing unit 27 is associated with the image composition / image switching unit 28.
[0017]
The projection type projector device includes a projector body 7 and a housing portion 7a provided in the projector body 7 and detachably housing the remote controller body 1 with a liquid crystal monitor (FIG. 2 shows a state where it is mounted). The projected image 8 is projected on the screen. An interface unit (not shown) for exchanging information and the like is formed between the two. The remote controller main body 1 with a liquid crystal monitor can be used by being detached from the housing section as needed, and can be housed and used in the housing section. In the state of being accommodated in the accommodating portion, it is possible to display an image on the liquid crystal monitor portion 2 of the remote controller main body 1 or to stop the display.
[0018]
In a state where the remote controller main body 1 is attached to the housing portion, the input unit (operation button) 3 of the remote controller main body 1 may be electrically connected to the projector device via the interface unit, or as described above. The operation button command can be transmitted to the projector apparatus by wireless transmission / reception using the transmission / reception unit, and can be directly used as the operation button of the projector apparatus. In this case, a separate operation button may not be provided on the projector device.
[0019]
Next, the operation of a projection type projector equipped with a remote controller with a liquid crystal monitor according to this embodiment will be described. As shown in FIG. 4, in a projector device, an external image input signal from an external device such as a PC that holds a projection image is imaged via an external image input terminal 22 having a signal interface circuit with the external device such as a PC. Input to the processing unit 25. The image processing unit 25 performs signal processing based on the image signal input method of the optical device 26 in the next stage and image processing such as gamma correction matched to the characteristics of the optical device. One output of the image processing unit 25 is input to the optical device 26 via the image composition / image switching unit 28. The optical device 26 projects an image based on the control of the projector control unit 23 on the screen, and the image is displayed on the screen. The other output of the image processing unit 25 is input to the image processing unit 27 in the CPU (control unit) 21 and encoded.
[0020]
The encoded image data is transmitted from the wireless transmission / reception device 20 to the remote controller main body 1 in a format compliant with the protocol of the wireless transmission / reception device 20 based on the control of the wireless transmission / reception control unit 24. On the other hand, when a later-described camera image signal or the like is transmitted from the remote controller main body 1 to the wireless transmission / reception device 20, the image processing unit 27 in the CPU (control unit) 21 decodes the image data and corresponds to the optical device 26. Is converted into an image signal to be output and output to the image composition / image switching unit 28. The image composition / image switching unit 28 synthesizes the image data from the external image input signal and the image data from the remote controller body 1 or selects one of the image data. For example, this selection can be performed at the input unit of the remote controller main body 1.
[0021]
The remote controller 1 capable of remotely operating the projector body 7 includes a liquid crystal monitor unit 2, and the liquid crystal monitor unit 2 includes an image from the projector body 7 by a wireless transmission / reception device 4 and a wireless transmission / reception device 20. Data can be transferred, and for example, the same image as the projected image 8 on the screen can be displayed on the liquid crystal monitor unit 2. That is, for example, image data of an image currently being projected is received from the projector body 7 by the wireless transmission / reception device 4 and the wireless transmission / reception control unit 9A, and the image processing unit 9E decodes the image signal via the storage unit 9F, An image can be displayed on the liquid crystal monitor 2 based on the image data controlled by the display controller 9B of the liquid crystal monitor.
[0022]
Further, the liquid crystal monitor unit 2 of the remote controller 1 is, for example, a touch panel type, and it is possible to write character information such as an underline, a figure, and a character on the screen of the liquid crystal monitor unit 2 using the attached operation pen 6. It is. The character information written by the operation pen is read by the display control unit 9B, the character information and its position information are stored in the storage unit 9F, and the image information and the character information are synthesized based on the character information and the liquid crystal monitor. It can be displayed on the screen of part 2.
[0023]
For example, when the character transmission button 3a for transmitting the character information provided in the input device 3 of the remote controller is pressed, the key input control unit 9C reads the character information and the position information from the storage unit 9F, and performs bidirectional communication. Character information and position information can be transmitted to the projector main body 7 by a wireless transmission / reception device capable of performing the above. Furthermore, when a menu button provided on the input device 3 of the remote controller is pressed, various menu modes are displayed on the screen of the liquid crystal monitor unit 2, and the line thickness, type, figure type, etc. to be drawn can be selected. it can.
[0024]
Regarding the operation of the remote controller, control based on the input from the input device 3 is executed by the control unit (CPU) 9 based on the control signal from the input device 3. Although the drawing itself can be displayed on the projection screen of the projector main body, the menu mode display is displayed only on the display screen of the liquid crystal monitor unit 2 of the remote controller and is not displayed on the projection screen of the projector main body. Can be. Therefore, it is possible to make a presentation comfortably without affecting the viewer.
[0025]
Similarly, adjustment functions of the projector such as volume adjustment, keystone adjustment, and image quality adjustment can be read out from the storage unit 9F of the liquid crystal monitor unit 2 of the remote controller and displayed for adjustment. During the adjustment, the effect can be confirmed on the projection screen of the projector device or the screen of the liquid crystal monitor unit 2 of the remote controller 1. That is, all the information from the projector device can be displayed on the liquid crystal monitor unit 2 of the remote controller, while the information displayed on the liquid crystal monitor unit 2 of the remote controller is selected by selecting only necessary information from the projector. The user is given the freedom to send data to be displayed on the projection screen from the device.
[0026]
For example, it is possible to display a clock (timer) or the like on the LCD monitor so that only the user can know the remaining presentation time, and only the user knows the contents and summary of the presentation, so It is also possible to provide an assist function that makes the presentation progress smoothly.
[0027]
According to the projection type projector according to the present embodiment, a liquid crystal monitor of a touch panel type is provided as a remote controller of the projector, the liquid crystal projector main body and the remote controller are detachable, and the projected image itself and its adjustment are adjusted between them. The presenter (user) can perform a presentation while looking at the liquid crystal monitor without being affected by the installation position of the projector main body or a PC connected to the projector. There is convenience. Further, since the liquid crystal monitor is a touch panel type, the information written and input from the monitor can be reflected on the projection screen of the projector.
[0028]
Next, a remote controller according to a second embodiment of the present embodiment will be described with reference to FIGS. As shown in FIGS. 1 and 3, the remote controller main body 1 according to the present embodiment has a small imaging unit (camera device) 5. Image data captured by the camera device 5 is transmitted to the projector body 7 by the wireless transmission / reception unit 4 and can be displayed on a screen or the like as a projection image. Furthermore, the image data photographed by the camera device 5 can be displayed on the liquid crystal monitor unit 2 by the display control unit 9A. Further, when the image displayed on the liquid crystal monitor unit 2 is transmitted to the projector body 7, the image processing unit 9E encodes the image data via the key input control unit 9C by pressing the transmission button of the input device 3. The wireless transmission / reception control unit 9A transmits the image data from the wireless transmission / reception device 4 to the projector device 7. The transmitted data is projected on the screen in the projector device 7.
[0029]
The remote controller main body 1 is highly convenient because it can be easily carried, and the user can check images on the monitor display unit and perform various operations with the input device 3.
[0030]
Next, a projector device according to a third embodiment of the invention will be described with reference to the drawings. The projector device according to the present embodiment is characterized in that it has a remote controller and an image acquisition means having a liquid crystal monitor section detachably provided therewith, and these are associated with each other.
[0031]
FIG. 5 is an external view of the projection type projector apparatus according to the present embodiment, FIG. 6A is a front view of the remote controller, and FIG. 6B is a functional block diagram showing a configuration example of the remote controller. FIG. 7 is an image diagram showing an example of a utilization method when the image acquisition means and the remote controller are detached from the projection type projector apparatus. FIG. 8 is a diagram showing the projection type apparatus with the image acquisition means attached to the projection type projector apparatus. It is an image figure which shows an example of the utilization method which performs the setting of a projector apparatus manually, and FIG. 9 is a block diagram of the projection type projector apparatus by this Embodiment.
[0032]
As shown in FIG. 5 to FIG. 9, the projection type projector device 37 according to the present embodiment converts an image based on image data input using a remote controller 31 that also serves as an image display means into an optical such as a lens 51. This is projected onto a screen S or the like via the system, and in this respect, it has the same configuration as the projection type projector apparatus according to the first and second embodiments.
[0033]
First, a configuration example of the projection type projector device will be described. The projection type projector device 37 includes, for example, a lens 51 and an image acquisition unit 53 such as an image sensor on the front side thereof, and a remote controller housing portion 37a capable of housing the remote controller 31 on the upper surface. As shown, the remote controller (image display means) 31 is detachably attached to the projection type projector device 37. The projection type projector device 37 is provided with a light source 93 inside, and can project an image onto a screen or the like via the lens 51. Further, a signal processing means 95 is provided in the projection type projector device 37 to process the input image data signal into a state where it can be projected.
[0034]
The remote controller 31 has a display unit 32 formed by a liquid crystal panel or the like, an edit button 31a, and a send button 31b. More specifically, the remote controller 31 includes an image data receiving unit 41a, an image data transmitting unit 41b, an image display unit 43, an image composition unit 45, and an image deformation unit 47. The image data receiving unit 41 a receives the image data transmitted from the image acquisition unit 53 via the transmission / reception unit 53 a and displays it on the image display unit 43. The image data transmission unit 41 b transmits the image displayed on the image display unit and the later writing to the projection type projector device 37. The image display means 43 performs display based on the image of the projection type project device 37 (in this case, the display is generally performed with a reduced resolution). The image synthesizing unit 45 synthesizes the image displayed on the image display unit and the later writing. The image deformation means 47 adjusts the image based on an external input instruction such as image adjustment / color adjustment.
[0035]
The image acquisition means 53 is detachably provided on the front surface of the projection type projector device 37, and the image acquisition means 53 and the presenter remove the image acquisition means 53 from the projection type projector device 37, so that an arbitrary object such as a document can be obtained. It is also possible to image (acquire) 61a, 61b, and the like.
[0036]
That is, in a scene such as a presentation, a meeting, or a school lesson, the image acquisition means 53 and the remote controller 31 can be removed from the projector 37 and used as shown in FIG. When it is desired to project data or handwritten data on the screen separately from the screen of the PC or the like currently displayed using the projection device, the data and data can be captured by the image capturing means 53.
[0037]
The image acquired by the image capturing unit 53 can be transmitted, for example, wirelessly to the projection type projector device 37 or the remote controller 31 via the transmission / reception unit 53a. The image captured by the remote controller 31 is sent to the image display means 43, for example, a liquid crystal panel with a touch panel, and displayed there. In this state, it has not been projected on the screen yet.
[0038]
The user confirms the images 32a to 32d displayed on the image display means 43 and, if necessary, presses the edit button 31a to directly display on the liquid crystal screen with a touch panel using, for example, the stylus pen P (FIG. 7). Editing process such as writing and correction can be started. Furthermore, image adjustment and color adjustment can be performed by the image deformation means 47. An adjustment image from the outside using the stylus pen P and the adjustment image by the image transformation means 47 are sent to the image synthesis means 45 and synthesized and displayed on the image display means 43. After confirming the image displayed on the image display means 43, the image that has been adjusted / corrected or the like is sent to the projector device 37 at an arbitrary timing via the image data transmission means 41b by the user pressing the transmission button 31b. The image relating to the document 61a or 61b itself or the document after adjustment or editing can be projected on the screen.
[0039]
Further, when installing the projection type projector device 37, as shown in FIG. 8, the image capturing means (image sensor or the like) 53 is used while being mounted on the projection type projector device 37. The projector may be removed from the projector 37 or attached. In this state, a general image can be automatically adjusted, and the projected image on the screen captured by the image capturing unit 53 is displayed on the image display unit 32, and the displayed image is displayed. Image adjustment such as keystone correction, focus correction, and color correction, color correction, etc., that is, manual image adjustment can be performed by the image adjustment button 85 or the color correction button 87. By repeatedly performing such an operation until the projected image becomes a satisfactory image, it is possible to make a fine image correction to the projected image. Furthermore, the image corrected by pressing the image transmission button 91 can be sent to the projector device 37, and the image corrected by the above procedure can be fed back to the projected image.
[0040]
In the state where the image display means 31 is removed from the projector device 37, the remote control for operating the image display means 31 on the projector device 37 itself without displaying or displaying the image captured on the image display means 31. It can also be used as a device.
[0041]
In addition, the remote controller supports capturing, displaying, and transmitting / receiving data including images, and can be used alone as a portable information terminal. The remote controller can also be used as a mobile phone or a PDA.
[0042]
As described above, the projection type projector apparatus and the related apparatus according to the embodiments of the present invention are capable of capturing an image captured outside the apparatus and the captured image other than the image captured on the screen. Image display means that can be displayed, and each means can be attached to and detached from the projection apparatus, so that it is easy for the user to perform manual installation adjustment when installing the projection apparatus.
[0043]
In addition, the removable image display means has a function of adjusting and editing an image input from the outside, and by sending the edited image to the projection device, it can be used for presentations, meetings, school classes, etc. Even data that is not held by the PC can be projected easily. This increases the convenience of the projector. As described above, the present invention has been described according to the embodiment. However, the present invention is not limited to these examples, and various modifications can be made.
[0044]
【The invention's effect】
The projection type projector apparatus and the related apparatus according to the present invention simplify the manual installation adjustment by the user when installing the projection type projector apparatus. In addition, by making it possible to send an image captured by the imaging device and edited by the remote control device to the projection device, data that is not held by the PC can be projected easily in presentations, meetings, school classes, etc. it can. Thereby, there is an effect that the convenience of the projection type projector device is increased.
[Brief description of the drawings]
FIG. 1 is a perspective view showing an external configuration example of a remote controller with a liquid crystal monitor in a projection type projector apparatus according to a first embodiment of the present invention.
FIG. 2 is a diagram illustrating a state in which an image is projected onto a screen in a state where the remote controller illustrated in FIG. 1 is attached to the projection type projector apparatus main body.
FIG. 3 is a functional block diagram illustrating a configuration example of the remote controller illustrated in FIG. 1;
FIG. 4 is a functional block diagram illustrating a configuration example of a projection type projector apparatus.
FIG. 5 is an external view of a projector device according to a third embodiment of the present invention.
6A is a front view of a remote controller, and FIG. 6B is a functional block diagram illustrating a configuration example of the remote controller.
FIG. 7 is an image diagram showing an example of a utilization method when the image acquisition unit and the remote controller are detached from the projection type projector device.
FIG. 8 is an image diagram showing an example of a utilization method in which the image acquisition unit is attached to the projection type projector device, thereby manually setting the projection type projector device.
FIG. 9 is a block diagram of a projection type projector apparatus according to the present embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Remote controller apparatus, 2 ... Liquid crystal monitor (display means), 3 ... Operation button, 4 ... Transmission / reception part, 5 ... Imaging part, 7 ... Projection type projector apparatus, 7a ... Accommodating part, 25 ... Image processing part, 27 ... Image processing unit (in CPU), 53... Image acquisition device.

Claims (18)

A remote controller capable of remotely operating a projection-type image display device that projects an input image,
A remote controller comprising image display means for displaying an image projected by the projection type image display device. A remote controller capable of remotely operating a projection-type image display device that projects an input image,
A receiving unit that receives image data of a first image projected by the projection-type image display device;
An image display means for displaying a second image based on the image data received by the receiving unit. Furthermore, an external data input unit for inputting data from the outside,
The remote controller according to claim 1, further comprising: an image processing unit that superimposes data input by the external data input unit on a second image displayed on the image display unit. And a transmission unit that sends the data superimposed on the second image by the image processing unit to the projection-type image display device.
The remote controller according to claim 3, wherein the data superimposed on the second image is reflected on the first image. With an imaging unit,
5. The remote controller according to claim 3, wherein the image processing unit transmits an image captured by the imaging unit to the projection type image display device via the transmission unit. The remote controller according to claim 5, further comprising an imaging direction changing mechanism capable of changing an imaging direction of the imaging unit. Furthermore, it has a function which displays the GUI for performing the process of at least any one of operation or adjustment of the said projection type image display apparatus on the said image display means, The Claim 1 to 6 characterized by the above-mentioned. The remote controller according to any one of the preceding items. The remote controller according to claim 7, wherein when the GUI is displayed, control is performed such that display related to the GUI is not performed on a projection screen of the projection type image display device. An attachment / detachment mechanism for the projection type image display device main body is provided, and when the projection type image display device is mounted, an interface unit for directly operating the projection type image display device is provided. The remote controller according to any one of claims 1 to 8. A projection-type image display device that is associated with the remote controller according to claim 1 and that can be remotely operated. An imaging unit;
An image pickup apparatus comprising: a transmission unit that wirelessly transmits an image picked up by the image pickup unit to a projection type image display device that projects the image. The imaging apparatus according to claim 11, wherein the imaging apparatus is configured to be detachable from the projection type image display apparatus. A projection type that is associated with the imaging device according to claim 10 or 11 and includes a reception unit that receives an image transmitted from the transmission unit, and a control unit that performs control to project an image received by the reception unit. Image display device. A receiving unit that receives an image captured by the imaging device according to claim 11 or 12 and transmitted by the transmitting unit;
An image display device comprising image display means for displaying an image received by the receiving unit. A projection-type image display device that can be remotely operated by the image display device according to claim 14. Furthermore, the image display means has a function of displaying a GUI for executing at least one of the operations and adjustments of the projection type image display device according to claim 15. Image display device. The image display device according to claim 16, wherein when the GUI is displayed, control is performed so that display related to the GUI is not performed on a projection screen of the projection type image display device. The image display device according to claim 16, wherein the image display device is configured to be detachable from the projection type image display device.

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